Table 1.

Characteristics of the study participants.

Characteristics				National (n=5135), n (%)		Rural (n=4000), n (%)		Urban, (n=1135), n (%)			P value
Covariates
	Age in years									<.001
			45-59	2153 (41.93)		1718 (42.95)		435 (38.33)
			60-69	1713 (33.36)		1337 (33.42)		376 (33.13)
			≥70	1269 (24.71)		945 (23.62)		324 (28.55)
	Male sex				2351 (45.78)		1772 (44.30)		579 (51.01)			<.001
	Education									<.001
			Illiterate	1641 (31.96)		1497 (37.42)		144 (12.69)
			Part of primary school	945 (18.40)		822 (20.55)		123 (10.84)
			Primary school	1139 (22.18)		883 (22.07)		256 (22.56)
			Middle school	913 (17.78)		612 (15.30)		301 (26.52)
			High school or above	497 (9.68)		186 (4.65)		311 (27.40)
	Marital status									.32
			Married	4220 (82.18)		3269 (81.72)		951 (83.79)
			Widowed	801 (15.60)		647 (16.18)		154 (13.57)
			Separated, divorced, or never married	114 (2.22)		84 (2.10)		30 (2.64)
	Market price of house									<.001
			Poor tercile	1803 (35.11)		1415 (35.38)		388 (34.19)
			Middle tercile	1650 (32.13)		1425 (35.62)		225 (19.82)
			Rich tercile	1682 (32.76)		1160 (29.00)		522 (45.99)
	Uninsured				354 (6.89)		236 (5.90)		118 (10.40)			<.001
	>3 co-occurring chronic diseases				1180 (36.61)		1415 (35.38)		465 (40.97)			.001
	Currently smoke				2007 (39.08)		1556 (38.90)		451 (39.74)			.61
Internet access at home as key independent variable				662 (12.89)		329 (8.22)		333 (29.34)			<.001
Hypertension management
		Awareness		2924 (56.94)		2165 (54.12)		759 (66.87)			<.001
		Treatment		2524 (49.15)		1834 (45.85)		690 (60.79)			<.001
		Control		1042 (20.29)		734 (18.35)		308 (27.14)			<.001